Helmet sizing?

General cycling advice ( NOT technical ! )
Debs
Posts: 662
Joined: 19 May 2017, 7:05pm
Location: Powys

Re: Helmet sizing?

Postby Debs » 27 Jan 2020, 10:33pm

Audax67 wrote:
Mick F wrote:Beat me to it!
Yes, it's circumference for (modern metric) hat sizing.

I prefer the Imperial way of diameter. I've a small head ind it's size 63/4", where most men have 67/8".


Yebbut the UK measurement assumes that your head is perfectly circular. This is daft because UKsians are predominantly long-headed front to back.

https://en.wikipedia.org/wiki/Cephalic_ ... ex_map.jpg



Yes, The origin of the helmet specifications, peddled by Darwin, finally comes in fruition.
Evidence of natural selection and the evolutionary shape-shifting of the Great British bonce since the Victorian era
After 180 years of human powered cycling machines, the skulls of British cyclists have become... aerodynamically streamlined! :D
Explains the cluster of recent British Tour de France wins :wink:

scottg
Posts: 698
Joined: 10 Jan 2008, 8:44pm
Location: Highland Heights Kentucky,, USA

Re: Helmet sizing?

Postby scottg » 3 Feb 2020, 6:27pm

Virginia Tech ratings, they do their own testing.

https://www.helmet.beam.vt.edu/bicycle- ... tings.html
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Why not the best, buy Cyclo-Benelux.